Hey I would like to share with you guys what I've learnt (cut n paste):

"Anyways, I've been reading and found that the problem with fish is that many species contain Thiaminase, a substance which breaks apart Vitamin B1 (or was that B11?), which will cause "malnutrition"... a very bad kind of malnutrition.

I've experimented with a couple of fish and he loves Catfish (Mekong Delta) (he loves the innards as well), and especially Capelin. He slurps up the Capelin like it was Spaghetti! He also hates some kind of fish and would just gnaw on them but not eat them.

Sadly, I found out that Capelin contains high amounts of Thiaminase, so I'm gonna cut it off of our food chain completely starting immediately.

I would be very careful with any frozen fish, specially Tilapia & shrimp for human or canine consumption. There are a lot of farm raised fish that come from overseas, Indonisia, China and such. I would not feed that stuff to a stray dog on the street.

Hahaha, Kai, I wouldn't have thought to see how old the thread was either (admins, can we do something to keep stale threads from becoming active again?)

We feed the whole processed tilapia, dorsal fin and all. Liesl has never had a problem with it. It is sharp but she loves to crunch up the fins. Scales, head, etc., all contain valuable nutrients and calcium. This is not to say that it would be impossible for a dorsal fin spike to cause a problem, but I personally don't worry too much about it.

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